SIGNALAI·Jun 11, 2026, 4:00 AMSignal75Medium term

PCS-UQ: Uncertainty Quantification via the Predictability-Computability-Stability Framework

Source: arXiv cs.LG

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PCS-UQ: Uncertainty Quantification via the Predictability-Computability-Stability Framework

arXiv:2505.08784v2 Announce Type: replace-cross Abstract: As machine learning (ML) enters high-stakes domains, trustworthy uncertainty quantification (UQ) is essential for safety. In this paper we introduce PCS-UQ, a framework based on the Predictability, Computability, and Stability (PCS) principles for veridical data science. Starting with a candidate set of models or algorithms, PCS-UQ integrates a rigorous prediction-check to screen out unsuitable models in the set and utilizes bootstrap samples, in order to capture both inter-sample variability and algorithmic instability for the predicti

Why this matters
Why now

As AI models are increasingly deployed in critical applications, the demand for robust and trustworthy uncertainty quantification methods is becoming paramount for safety and reliability.

Why it’s important

This framework addresses a core challenge in AI trustworthiness, offering a more rigorous approach to validating and understanding the limitations of machine learning models in high-stakes environments.

What changes

The explicit integration of predictability, computability, and stability principles provides a systematic method to filter unsuitable models and capture various sources of uncertainty, enhancing the reliability of ML applications.

Winners
  • · AI Safety Researchers
  • · High-Compliance Industries (e.g., healthcare, finance)
  • · Trustworthy AI Developers
  • · Regulatory Bodies
Losers
  • · AI Systems Lacking Robust UQ
  • · Developers Ignoring Safety Protocols
Second-order effects
Direct

Increased adoption of explicit uncertainty quantification frameworks in AI development.

Second

Higher barriers to entry for AI models in safety-critical domains without demonstrable UQ.

Third

Shifts in AI certification and auditing standards globally, promoting frameworks like PCS-UQ.

Editorial confidence: 90 / 100 · Structural impact: 55 / 100
Original report

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Read at arXiv cs.LG
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